investigate-telemetry

Investigate a failed or suspicious agent run (implementer/coder, bootstrap, reviewer, etc.) using the production telemetry in D1. Use when asked to look into a run failure, "no progress" abort, a stuck/looping agent, model output quality, token/truncation issues, or "what went wrong with the latest run". Pulls the run lifecycle from agent_runs and the per-LLM-call prompt/response/usage from llm_call_metrics, then…